19th century illustrations

Rosy Echeveria (Rosy Echeveria)

Rosy Monkey-flower (Rosy Monkey-flower)

Rosy-armed Corethrostylis (Rosy-armed Corethrostylis)

Rough-barked Thorn – Single-fruited variety

Rough-barked Thorn (Rough-barked Thorn)

Rough-edged Blandfordia (Rough-edged Blandfordia)

Rough-leaved Conehead (Rough-leaved Conehead)

Rough-leaved Deutzia (Rough-leaved Deutzia)

Rough-Lipped Cattleya (Rough-Lipped Cattleya)

Rough-stemmed Tulip (Rough-stemmed Tulip)

Round-leaved Duvaua (Round-leaved Duvaua)

Round-leaved Psoralea (Round-leaved Psoralea)

Royal Purple Gaybine (Royal Purple Gaybine)

Ruddy Godetia (Ruddy Godetia)

Rushy Russelia (Rushy Russelia)

Russell’s Potentilla

Rusty Eria (Rusty Eria)

S. Leone Liparis (S. Leone Liparis)

Sad-coloured Cirrhaea (Sad-coloured Cirrhaea)

Saffron-coloured Eschscholtzia (Saffron-coloured Eschscholtzia)

Saffron-coloured Maxillaria (Saffron-coloured Maxillaria)

Sage-leaved Pear (Sage-leaved Pear)

Sage-leaved Slipper-flower (Sage-leaved Slipper-flower)

Sage-leaved Stachys (Sage-leaved Stachys)

Sand Calandrinia (Sand Calandrinia)

Sand Lotus (Sand Lotus)

Sapphire Patersonia (Sapphire Patersonia)

Sapphire-Blue variable Larkspur (Sapphire-Blue variable Larkspur)

Satiny Calochortus (Satiny Calochortus)

Saw-leaved Fuchsia (Saw-leaved Fuchsia)

Saw-leaved Myoporum (Saw-leaved Myoporum)

Scabious-like Cosmus (Scabious-like Cosmus)

Scarlet Bouvardia (Scarlet Bouvardia)

Scarlet Cockscomb (Scarlet Cockscomb)

Scarlet Comparettia (Scarlet Comparettia)

Scarlet Gardoquia (Scarlet Gardoquia)

Scarlet Glory-tree (Scarlet Glory-tree)

Scarlet Grevillea (Scarlet Grevillea)

Scarlet Zinnia (Scarlet Zinnia)

Scarlet-fruited Hawthorn (Scarlet-fruited Hawthorn)

Scarlet-leaved Currant (Scarlet-leaved Currant)

Scattered-flowered Dyckia (Scattered-flowered Dyckia)

Scentless Stanhopea (Scentless Stanhopea)

Scicilian Stapelia (Scicilian Stapelia)

Scorched Oncidium (Scorched Oncidium)

Scurfy-stalked Laelia (Scurfy-stalked Laelia)

Sea Lavender-leaved Pentstemon (Sea Lavender-leaved Pentstemon)

Sensitive Wood-sorrel (Sensitive Wood-sorrel)